Five young American Muslims arrested in Pakistan met with representatives of an al-Qaida-linked group and asked for training but were turned down because they lacked references from trusted militants, a Pakistani law enforcement official said Thursday.

Two Chicago men were indicted Thursday on charges they planned a violent attack on a Danish newspaper and helped lay the groundwork for the November 2008 terrorist rampage killed 166 people in the Indian city of Mumbai.

Oxygen is one of the primary components of nature that sustains life. Oxygen itself, when inside the body, through certain molecules, becomes very reactive and begins to cause damage through the formation of free radicals. This is known as oxidative stres